Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts.
executing program
executing program
[ 80.827970][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!!
[ 80.837747][ T5825] can0: slcan on ttyprintk.
executing program
[ 151.994874][ T0] NOHZ tick-stop error: local softirq work is pending, handler #08!!!
[ 185.864702][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 185.871762][ C1] rcu: (detected by 1, t=10502 jiffies, g=8769, q=4229 ncpus=2)
[ 185.879480][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955699-4294945197), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 185.892845][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g8769 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 185.903947][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 185.913907][ C1] rcu: RCU grace-period kthread stack dump:
[ 185.919798][ C1] task:rcu_preempt state:R running task stack:27704 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
[ 185.933307][ C1] Call Trace:
[ 185.936588][ C1]
[ 185.939519][ C1] __schedule+0x14ed/0x5040
[ 185.944051][ C1] ? do_raw_spin_lock+0x121/0x290
[ 185.949093][ C1] ? __pfx___schedule+0x10/0x10
[ 185.953953][ C1] ? schedule+0x91/0x360
[ 185.958203][ C1] schedule+0x165/0x360
[ 185.962366][ C1] schedule_timeout+0x12b/0x270
[ 185.967218][ C1] ? __pfx_schedule_timeout+0x10/0x10
[ 185.972590][ C1] ? __pfx_process_timeout+0x10/0x10
[ 185.977877][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 185.983693][ C1] ? prepare_to_swait_event+0x341/0x380
[ 185.989329][ C1] rcu_gp_fqs_loop+0x301/0x11b0
[ 185.994183][ C1] ? lockdep_hardirqs_on+0x7b/0x110
[ 185.999381][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 186.005368][ C1] ? rcu_gp_init+0x144f/0x1700
[ 186.010140][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 186.015425][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 186.020629][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 186.026441][ C1] rcu_gp_kthread+0x9b/0x2d0
[ 186.031036][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 186.036236][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 186.042046][ C1] ? __kthread_parkme+0x7b/0x200
[ 186.046979][ C1] ? __kthread_parkme+0x1a1/0x200
[ 186.052009][ C1] kthread+0x389/0x480
[ 186.056079][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 186.061276][ C1] ? __pfx_kthread+0x10/0x10
[ 186.065866][ C1] ret_from_fork+0x510/0xa50
[ 186.070546][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 186.075664][ C1] ? __switch_to+0xc9e/0x1480
[ 186.080345][ C1] ? __pfx_kthread+0x10/0x10
[ 186.084931][ C1] ret_from_fork_asm+0x1a/0x30
[ 186.089707][ C1]
[ 186.092730][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 186.099054][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 186.104273][ C0] NMI backtrace for cpu 0
[ 186.104306][ C0] CPU: 0 UID: 0 PID: 5832 Comm: syz-executor229 Not tainted syzkaller #0 PREEMPT(full)
[ 186.104322][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 186.104332][ C0] RIP: 0010:__lock_acquire+0x88b/0x2cf0
[ 186.104357][ C0] Code: c1 c5 13 31 d5 01 f3 29 ee 01 eb c1 c5 04 31 f5 48 c1 e5 20 83 3d 98 ec 25 0e 00 4d 89 e5 0f 85 1f 02 00 00 48 83 7c 24 28 00 <0f> 84 b3 01 00 00 41 8b 45 f8 25 ff 1f 00 00 48 0f a3 05 4e b4 2f
[ 186.104369][ C0] RSP: 0018:ffffc9000410f450 EFLAGS: 00000046
[ 186.104383][ C0] RAX: 0000000000002966 RBX: 000000008e99e7f8 RCX: 0000000000294dbd
[ 186.104393][ C0] RDX: 000000004e4f2383 RSI: 0000000022c3d981 RDI: ffff888032838000
[ 186.104403][ C0] RBP: f3e939ec00000000 R08: ffffffff821c76c0 R09: ffffffff8e44d960
[ 186.104413][ C0] R10: dffffc0000000000 R11: fffffbfff1f87f8f R12: ffff888032838b08
[ 186.104424][ C0] R13: ffff888032838b08 R14: ffff888032838000 R15: 0000000000000000
[ 186.104434][ C0] FS: 00005555655e7380(0000) GS:ffff8881259bd000(0000) knlGS:0000000000000000
[ 186.104447][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 186.104456][ C0] CR2: 0000560fbc63eff8 CR3: 0000000073ed0000 CR4: 00000000003526f0
[ 186.104470][ C0] Call Trace:
[ 186.104475][ C0]
[ 186.104491][ C0] ? __kmalloc_cache_noprof+0x40/0x700
[ 186.104511][ C0] lock_acquire+0x107/0x340
[ 186.104529][ C0] ? __kmalloc_cache_noprof+0x40/0x700
[ 186.104549][ C0] ? __pfx___schedule+0x10/0x10
[ 186.104573][ C0] fs_reclaim_acquire+0x72/0x100
[ 186.104586][ C0] ? __kmalloc_cache_noprof+0x40/0x700
[ 186.104606][ C0] __kmalloc_cache_noprof+0x40/0x700
[ 186.104625][ C0] ? tty_open+0x947/0xd10
[ 186.104646][ C0] tty_open+0x947/0xd10
[ 186.104663][ C0] ? kobject_get_unless_zero+0x161/0x1f0
[ 186.104680][ C0] ? __pfx_tty_open+0x10/0x10
[ 186.104696][ C0] ? do_raw_spin_unlock+0x122/0x240
[ 186.104714][ C0] chrdev_open+0x4cc/0x5e0
[ 186.104730][ C0] ? __pfx_chrdev_open+0x10/0x10
[ 186.104746][ C0] ? fsnotify_open_perm_and_set_mode+0x113/0x610
[ 186.104767][ C0] ? __pfx_chrdev_open+0x10/0x10
[ 186.104782][ C0] do_dentry_open+0x785/0x14e0
[ 186.104809][ C0] vfs_open+0x3b/0x340
[ 186.104825][ C0] ? path_openat+0x2dc8/0x3840
[ 186.104839][ C0] path_openat+0x2de0/0x3840
[ 186.104855][ C0] ? stack_trace_save+0x9c/0xe0
[ 186.104877][ C0] ? kasan_save_track+0x3e/0x80
[ 186.104891][ C0] ? __pfx_path_openat+0x10/0x10
[ 186.104904][ C0] ? __lock_acquire+0x6b6/0x2cf0
[ 186.104928][ C0] do_filp_open+0x1fa/0x410
[ 186.104942][ C0] ? __pfx_do_filp_open+0x10/0x10
[ 186.104962][ C0] ? _raw_spin_unlock+0x28/0x50
[ 186.104980][ C0] ? alloc_fd+0x64c/0x6c0
[ 186.105000][ C0] do_sys_openat2+0x121/0x200
[ 186.105018][ C0] ? __pfx_do_sys_openat2+0x10/0x10
[ 186.105036][ C0] ? __se_sys_prctl+0x223/0x1830
[ 186.105054][ C0] ? __pfx___se_sys_prctl+0x10/0x10
[ 186.105071][ C0] __x64_sys_openat+0x138/0x170
[ 186.105091][ C0] do_syscall_64+0xec/0xf80
[ 186.105105][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.105119][ C0] ? trace_irq_disable+0x37/0x100
[ 186.105134][ C0] ? clear_bhb_loop+0x40/0x90
[ 186.105150][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.105163][ C0] RIP: 0033:0x7f120d528be9
[ 186.105184][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 186.105195][ C0] RSP: 002b:00007ffce416a508 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 186.105209][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f120d528be9
[ 186.105219][ C0] RDX: 0000000000000000 RSI: 0000200000000000 RDI: ffffffffffffff9c
[ 186.105229][ C0] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
[ 186.105237][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000013b8e
[ 186.105246][ C0] R13: 00007ffce416a51c R14: 00007ffce416a530 R15: 00007ffce416a520
[ 186.105263][ C0]